<template>
  <div>
    <city-header></city-header>
    <city-search :cities="cities"></city-search>
    <city-list :cities="cities" :hotCities="hotCities" :letter="letter"></city-list>
    <city-alphabet :cities="cities" @change="handleLetterChange"></city-alphabet>
  </div>
</template>

<script>
  import axios from "axios"
  import CityHeader from "./components/Header"
  import CitySearch from "./components/Search"
  import CityList from "./components/List"
  import CityAlphabet from "./components/Alphabet"
  export default {
    name:'City',
    components:{
      CityHeader,
      CitySearch,
      CityList,
      CityAlphabet
    },
    data(){
      return{
        cities:{},
        hotCities:[],
        letter:''
      }
    },
    mounted(){
      this.getCityInfo();
    },
    methods:{
      getCityInfo(){
        axios.get('/api/city.json')
          .then(this.getCityInfoSucc)
      },
      getCityInfoSucc(res){
        res = res.data;
        if(res.ret && res.data){
          const data = res.data;
          this.cities = data.cities;
          this.hotCities = data.hotCities;
        }
      },
      handleLetterChange(letter){
        this.letter = letter;
      }
    }
  }
</script>

<style lang="stylus" scoped>

</style>
